body{
  margin:0;
  padding:0;
  font-family:Helvetica Neue,Helvetica,PingFang SC,微软雅黑,Tahoma,Arial,sans-serif;
  background-color:#F2F2F2;
  height:100%;
}

.left-wrap{
  position:fixed;
  height:100%;
  background-color:#24262F;
}

.bing-title{
  color:#ddd !important;
  background-color:#3A3D49;
  width:190px;
  text-align:center;
}

.bing-left{
  float:left;
}
.bing-right{
  float:right;
}
